<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  

<html xmlns="http://www.w3.org/1999/xhtml">  

<head>  

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  

<title>在线检测显示器分辨率、尺寸</title>  

</head>  

<body>  

<div style="width:1cm;" id="hutia"></div>  

<SCRIPT LANGUAGE="JavaScript">  

document.write('您的显示器逻辑分辨率为:\n' + screen.width + '*' + screen.height + ' pixels<br/>');  

var ww = document.getElementById("hutia").offsetWidth, w = screen.width/ww, h = screen.height/ww, r = Math.round(Math.sqrt(w*w + h*h) / 2.54, y = Math.round(Math.sqrt(w*w + h*h) *0.3));  

document.write('您的显示器尺寸为:\n' + (screen.width/ww).toFixed(1) + '*' + (screen.height/ww).toFixed(1) + ' cm, '+ r +'英寸,  '+ y + '寸<br/>');  

var devicePixelRatio = window.devicePixelRatio;
document.write("像素密度：" + devicePixelRatio);
document.write('<br/>您的显示器物理分辨率为:\n' + (screen.width * devicePixelRatio) + '*' + (screen.height * devicePixelRatio) + ' pixels<br/>');  
  
</SCRIPT>  

</body>  

</html>
